M16C/62 Group DATASHEET

Processor ModeMitsubishi microcomputersM16C / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERFigure 1.10.2 shows the memory maps and the chip selection areas effected by PM13 (the internal reservedarea expansion bit) in each processor mode for the product having an internal RAM of more than15K bytes and a ROM of more than 192K bytes.(1)Normal mode000001600400160400016080001628000163000016CFFFF16D000016FFFFF16Internal reserved area expansion bit="0"Memory expansionmodeSFR area(1K bytes)Internal RAM area(15K bytes)SFR area(1K bytes)Internal RAM area(15K bytes) External areaExternal area Internal ROM area(192K bytes)After resetMicroprocessormodeCS3(16K bytes)CS2(128K bytes)CS1(32K bytes)CS0Memory expansion mode: 640K bytesMicroprocessor mode: 832K bytes00000160040016054001606000160800016SFR area(1K bytes) Internal ROM area (256K bytes)28000163000016BFFFF16C000016FFFFF16Internal reserved area expansion bit="1"Memory expansionmodeSFR area(1K bytes)Internal RAM area(20K bytes)Internal reserved areaExternal areaMicroprocessormodeInternal RAM area(20K bytes)Internal reserved areaExternal areaCS3(8K bytes)CS2(128K bytes)CS1(32K bytes)CS0Memory expansion mode: 576K bytesMicroprocessor mode: 832K bytesAfter reset, and set the Internal reserved area expansion bit to "1"Note: The reset vector lies in an area between D000016 and FFFFB16.(2)Expansion mode 1000001600400160400016080001628000163000016CFFFF16D000016FFFFF16Internal reserved area expansion bit="0"Memory expansionmodeSFR area(1K bytes)Internal RAM area(15K bytes)MicroprocessormodeSFR area(1K bytes)Internal RAM area(15K bytes) External areaExternal area Internal ROM area(192K bytes)After resetCS3 (16K bytes)CS2 (128K bytes)CS1 (32K bytes)CS0Memory expansion mode: 816K bytesMicroprocessor mode: 1008K bytes176K bytes= the extent ofmemoryexpanded00000160040016Internal reserved area Internal reserved area External areaExternal area Internal ROM area(256K bytes)054001606000160800016 CS3 (8K bytes)CS2 (128K bytes)168K bytes= the extent of2800016memoryCS1 (32K bytes) expanded3000016BFFFF16C000016FFFFF16Internal reserved area expansion bit="1"Memory expansionmodeSFR area(1K bytes)Internal RAM area(20K bytes)MicroprocessormodeSFR area(1K bytes)Internal RAM area(20K bytes)CS0Memory expansion mode: 744K bytesMicroprocessor mode: 1000K bytesAfter reset, and set the Internal reserved area expansion bit to "1"Note: The reset vector lies in an area between D000016 and FFFFB16.(2)Expansion mode 2000001600400160400016080001628000164000016CFFFF16D000016FFFFF16Internal reserved area expansion bit="0"Memory expansionmodeSFR area(1K bytes)Internal RAM area(15K bytes)MicroprocessormodeSFR area(1K bytes)Internal RAM area(15K bytes) External areaExternal area Internal ROM area(192K bytes)After reset CS3(16K bytes)CS2(128K bytes)CS1(96K bytes)CS0Memory expansion mode: 512K bytes x 7banks + 256K bytesMicroprocessor mode: 512K bytes x 8banks0000016SFR area(1K bytes)Internal RAM area(20K bytes)0540016 Internal reserved area06000160040016External area080001628000164000016BFFFF16C000016FFFFF16Internal reserved area expansion bit="1"Memory expansionmodeInternal ROM area(256K bytes)MicroprocessormodeSFR area(1K bytes)Internal RAM area(20K bytes)Internal reserved areaExternal areaAfter reset, and set the Internal reserved area expansion bit to "1"CS3(8K bytes)CS2(128K bytes)CS1(96K bytes)CS0Note: The reset vector lies in an area between D000016 and FFFFB16.Memory expansion mode: 512K bytes x 7banks + 256K bytesMicroprocessor mode: 512K bytes x 8banksFigure 1.10.2. Memory location and chip select area in each processor mode30